Climate Tech Startups

Surrey H2 is developing an advanced thermochemical hydrogen generation process, combining thermochemistry and electrochemistry to produce green hydrogen at low energy cost. It targets industrial-scale and modular applications in ammonia, chemicals, steel, and fuel production.

3 investors

Sust Global operates a geospatial AI platform that collects, harmonizes, and processes multimodal datasets to model physical climate risks across assets and portfolios. It serves investors, asset managers, and sustainability teams with climate risk data for portfolio analysis and TCFD reporting.

3 investors

SWAN Systems provides irrigation and nutrient management software that generates irrigation plans, tracks water use, monitors crop health via satellite imagery/NDVI, and aligns fertigation with crop nutrient demand. It serves agricultural growers, turf and sports ground managers, and operations requiring water compliance and nutrient oversight.

3 investors

Swirltex builds a patented tubular membrane wastewater treatment system that uses a buoyancy-based flow pattern to channel contaminants away from the membrane, producing high-quality reusable permeate with lower energy use. Its systems are customized for industrial and agricultural wastewater applications, treating challenging waste streams for water reuse.

3 investors

Symbrosia develops SeaGraze, a USDA Organic feed additive derived from ocean-based nutrition that reduces methane emissions in livestock production while supporting sustainable growth. The product serves livestock producers seeking natural, protein-rich feed supplements that improve efficiency without synthetic inputs.

3 investors

Tanso offers a software platform for corporate and product carbon accounting (Scope 1-3), ESG reporting, and supply chain emissions management, with AI-assisted data collection and audit-proof reports compliant with standards like CSRD, GHG Protocol, and EU Taxonomy. It is used by mid-sized industrial companies in sectors such as machinery, automotive, chemicals, construction, and food.

3 investors

Wildfire develops technology and solutions to help firefighters detect, control, and manage fires more effectively. The company applies decades of pyrotechnics and fire control expertise from entertainment to create tools for professional fire suppression and firefighting operations.

3 investors

Tectonus designs and manufactures seismic resilience devices and structural systems that protect buildings from earthquake damage, working directly with structural engineers on projects across education, healthcare, commercial, and transport buildings. Spun out of the University of Auckland in 2016, it supplies engineer-tested seismic technology, including HCAI-approved products for California healthcare projects.</parameter> <parameter name="founders">[]

3 investors

Tensor Energy builds an operating system for sustainable energy management using technology and partnerships to achieve carbon neutrality. The company manages renewable energy power stations and provides data-driven solutions for energy optimization and prediction.

3 investors

Teren is a geospatial analytics company that translates complex environmental and geospatial data into decision-ready models and solutions for land, energy, and government clients. Its team of data, geospatial, and computer scientists focuses on measuring and predicting the impacts of climate and natural forces on assets at risk.

3 investors

Ternary Energy develops electrochemistry-based solutions to provide secure, affordable, emissions-free energy to industrial and urban customers. The company focuses on commercializing its liquid electricity technology for integration within existing operational and regulatory systems.

3 investors

TerraCO2 operates in the climate/cleantech sector, though specific details about the company's core business model are not provided on this page. The page only displays one team member profile.

3 investors

Terviva develops and commercializes pongamia, a climate-hardy tree crop engineered for high oil and protein yields, providing farmers and energy/food producers with sustainable alternatives to conventional crops like soy and palm. The company supplies elite tree cultivars, management services, and products derived from pongamia beans for energy, food, and agriculture applications.

3 investors

Tether develops software that leverages the battery capacity of electric vehicles to provide grid-connected energy storage, enabling higher renewable energy adoption and reducing fossil fuel dependence.

3 investors

Tetra enables homeowners to transition to clean energy through high-efficiency appliances and related products. The company focuses on making sustainable home energy solutions accessible to residential customers.

3 investors

Thermosphr provides predictive intelligence and real-time control software for building HVAC systems to optimize energy consumption and reduce CO2 emissions. The solution serves facility managers and property operators of commercial buildings and real estate portfolios.

3 investors

ThisFish provides seafood traceability software and AI tools to reduce costs, improve supply chain control, and enhance compliance for fishing and aquaculture operations. The platform aims to increase the social, environmental, and financial sustainability of the global seafood industry.

3 investors

Trafi develops a Mobility-as-a-Service (MaaS) platform that provides multi-modal journey planning and ticketing for cities across Europe. The white-label product enables municipalities to launch integrated urban mobility solutions combining public transport, payment, and mobility service provider integrations.

3 investors

Traverse automates tedious engineering tasks and processes for civil, mechanical, and electrical engineers through software, artificial intelligence, and user interface design, enabling expert engineers to work significantly faster. The company serves engineering firms and professionals in the renewable energy and power generation sectors.

3 investors

Twelve operates AirPlant One, a commercial-scale eManufacturing facility in Moses Lake, Washington, that converts CO2, water, and renewable electricity into products including E-Jet fuel and E-Naphtha, a chemical building block. The company develops industrial technologies for producing fuels and everyday chemical products from carbon dioxide.

3 investors

The Ocean Company builds dual-domain systems for coastal ecosystem restoration and maritime infrastructure security. The company serves organizations working in ocean and coastal protection sectors.

3 investors

Thesis develops reusable, steerable microballoons for routine access to the stratosphere (40,000–130,000 feet), enabling persistent surveillance, communications relay, and atmospheric research for defense, intelligence, commercial, and scientific applications.

3 investors

Valo produces modular hydrofoil systems for boat manufacturers to integrate into vessels, enabling boats to achieve higher speeds while reducing energy consumption and operational noise.

3 investors

Vamo offers residential air-to-water heat pumps as a complete package, handling consultation, subsidy applications, and installation within three days, plus ongoing remote monitoring and warranty through its Vamo Care service and app. It targets German homeowners replacing older gas or oil heating systems.

3 investors